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Question
If A = `[(2, 4),(3, 2)]` and B = `[(1, 3),(-2, 5)]`
find BA.
Solution
BA = `[(1 , 3), (-2, 5)] [(2, 4),(3 ,2)]`
= `[(1.2 + 33,1.4 + 3.2),(-2.2 + 5.3,-2.4 + 5.2)]`
BA = `[(11, 10),(11, 2)]`.
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